Block chain technology

DEPARTMENT OF
ELECTRONICS AND
COMMUNICATION
ENGINEERING

PRESENTING BY
P.L. MOUNIKA
ECE-B, II-B.TECH
18701A0485

CONTENTS
 Introduction
 What is blockchain technology?
 Working
 Security and Transparency
 Characteristics
 Uses of blockchain technology
 Applications
 Conclusion

INTRODUCTION
 The blockchain technology was first came into society with
the Hashcash algorithm in 1997.
 Lather it was developed by satoshi nakomoto in 2008 after
by consenses algorithm by the action of tranctions using
bitcoin.
 bitcoin is developed by block chain technology .
 Blockchain has various applications in the day to day of
mankind.
 Block chain technology is free ,secure and easy to use.
 Bitcoin transaction is the first application of block chain
technology.

What is blockchain technology?
 The name itself refers that the block chain technology
consists of blocks of information linked by a particular
algorithm.
 A blockchain, originally block chain, is a growing list of
records, called blocks that are linked using cryptography
for use as a distributed ledger, a blockchain is a typically
managed by a peer to peer network collectively adhering to
a protocol for inter-node communcation and validating
new blocks.
 This blockchain technology is inmutable.

WORKING CONTINUE
 The blockchain technology consists of several nodes called
blocks.
 If a person wants to append information to a block he
should know the # code of previous and present node.
 The uploded ledger is broadcasted to all the participants of
blockchain technology.
 Participants approve the ledger and provide consensus and
block is added after the verification of ledger by minors.
 This ledger block is available to the all authorized
participants of blockchain technology.
 We can append a huge amount of data but is impossible to
modify the previous blocks information.

SECURITY AND TRANSPARENCY
 The blockchain technology provides high security and
transparency.
 Without the involvement of third party transactions through
this blockchain technology is going to be done.
 It is a time saving technique.
 No transaction charges are applicable to this technology.
 It provides a ledger of public, private and other sectors.
 It is decentralized technology which cannot be modified by
others.
 If a person tries to modify the information of a particular block
than the minors detect and discarded the particular block.
 The blocks of blockchain technology consists of present # code
and previous block code.

•This # code consists of nearly 256 bits, it is very difficult to crack
this # code.
•This technology consists of several blocks and it has large
consequences to crack the code and its time taking.
•It prevents corruption and frouding by giving pin to pin
information.

CONTINUE....
No block is removed from the
middle of the chain, every
information can be available
without fault in this technology.
Minors helps in addition of true
information to the block and
provide transparency.

CHARACTERSTICS
 Immutable append only public ledger.
 Decentralized
 Transparency system
 Proof of working
 Secure

USES
The blockchain technology is useful for:
 Students
 Employers
 Teachers
 Accreditors, validators and testers
 Public sectors
 Private sectors
 Organisational issues

APPLICATIONS OF BLOCK CHAIN
TECHNOLOGY
 Payments
 Smart contracts
 Distributed storage in the cloud
 Digital identity
 Notary
 IoT systems
 Chain of supply
 Financial services- commercial banking
Trading
international banking
 Insurance sector
 Government services
 Health sector
 Real estate business

CONCLSION
 This blockchain technology provides security and
transparency and has wide applications in the day to
day life of mankind it is a future technology through
this we can acess a transparency socity without
corruption and fraud.

Block chain technology

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